/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller;

import dao.DanhMucDAO;
import dao.LoaiDanhMucDAO;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import model.Danhmuc;
import model.Loaidanhmuc;

/**
 *
 * @author HoangLiem
 */
@WebServlet(name = "loaiDanhMuc", urlPatterns = {"/loaiDanhMuc"})
public class loaiDanhMuc extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            String maLoaiDM = "";
            if (request.getParameter("id") != null) {
                maLoaiDM = request.getParameter("id");
            }
            Loaidanhmuc ldm = LoaiDanhMucDAO.getCategoryTypeById(maLoaiDM);
            ArrayList<Danhmuc> danhMucs = new ArrayList<Danhmuc>();
            danhMucs = DanhMucDAO.getAllByCategoryId(ldm);
            request.setAttribute("dms", danhMucs);
            
            String url = ldm.getTenLoaiDanhMuc();
            RequestDispatcher rd = request.getRequestDispatcher(url);
            rd.forward(request, response);
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
